| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS | 
|---|---|---|---|---|---|---|
| 1 | 1 | 1 | 644 | Ayoub Sniba |  MAR | 3:44.59 Q | 
| 2 | 2 | 1 | 590 | Anthony Kiptoo |  KEN | 3:44.74 Q | 
| 3 | 3 | 1 | 377 | Josh KERR |  GBR | 3:44.86 Q | 
| 4 | 4 | 1 | 470 | Ajay Kumar SAROJ |  IND | 3:44.96 q | 
| 5 | 5 | 1 | 131 | Matthew RAMSDEN |  AUS | 3:45.34 q | 
| 6 | 6 | 1 | 323 | Asres Guadie |  ETH | 3:45.74 q PB | 
| 7 | 7 | 1 | 356 | Yani Khelaf |  FRA | 3:45.88 | 
| 8 | 1 | 3 | 327 | Taresa TOLOSA |  ETH | 3:46.13 Q PB | 
| 9 | 2 | 3 | 359 | Baptiste MISCHLER |  FRA | 3:46.41 Q | 
| 10 | 3 | 3 | 680 | Jakob INGEBRIGTSEN |  NOR | 3:46.53 Q | 
| 11 | 4 | 3 | 841 | Ramazan BARBAROS |  TUR | 3:46.56 | 
| 12 | 1 | 2 | 597 | Kumari TAKI |  KEN | 3:47.14 Q | 
| 13 | 8 | 1 | 439 | Ággelos Vasilíou |  GRE | 3:47.38 | 
| 14 | 5 | 3 | 105 | Abderezak Khelili |  ALG | 3:47.56 PB | 
| 15 | 2 | 2 | 785 | Elzan BIBIĆ |  SRB | 3:47.72 Q | 
| 16 | 3 | 2 | 308 | Jordi Torrents |  ESP | 3:47.80 Q | 
| 17 | 4 | 2 | 833 | Riadh CHENINI |  TUN | 3:47.84 PB | 
| 18 | 6 | 3 | 281 | Adrián BEN |  ESP | 3:47.88 | 
| 19 | 7 | 3 | 927 | Diego Zarate |  USA | 3:47.95 | 
| 20 | 5 | 2 | 124 | Isaac Hockey |  AUS | 3:48.63 | 
| 21 | 8 | 3 | 837 | Ali Kaddachi |  TUN | 3:48.98 PB | 
| 22 | 6 | 2 | 751 | Idriss Moussa Youssouf |  QAT | 3:49.12 | 
| 23 | 9 | 3 | 580 | Ryohei SAKAGUCHI |  JPN | 3:49.21 | 
| 24 | 10 | 1 | 394 | Lukas ABELE |  GER | 3:49.51 | 
| 25 | 10 | 3 | 204 | Mark Patton |  CAN | 3:50.15 | 
| 26 | 11 | 3 | 862 | Anton Hrabovskyi |  UKR | 3:50.58 | 
| 27 | 7 | 2 | 795 | Emil DANIELSSON |  SWE | 3:50.71 | 
| 28 | 12 | 3 | 506 | Lorenzo Casini |  ITA | 3:50.97 | 
| 29 | 8 | 2 | 905 | Kendall Muhammad |  USA | 3:51.27 | 
| 30 | 9 | 2 | 775 | James Sugira |  RWA | 3:51.32 | 
| 31 | 10 | 2 | 641 | Hicham El Khiari |  MAR | 3:51.64 | 
| 32 | 10 | 1 | 104 | Abdellah Khelidj |  ALG | 3:52.06 | 
| 33 | 11 | 1 | 206 | Braydon Rennie |  CAN | 3:53.72 | 
| 34 | 12 | 1 | 859 | Andriy Aliksiychuk |  UKR | 3:54.42 | 
| 35 | 11 | 2 | 367 | Archie DAVIS |  GBR | 3:54.57 | 
| 36 | 13 | 3 | 738 | Hugo Rocha |  POR | 3:54.76 | 
| 37 | 12 | 2 | 261 | Andreas LINDGREEN |  DEN | 3:55.21 | 
| 38 | 13 | 2 | 637 | Andrea Baratte |  LUX | 3:55.49 | 
| 39 | 14 | 2 | 414 | Marvin HEINRICH |  GER | 3:58.49 | 
| 40 | 13 | 1 | 789 | Adam Abdelwahab |  SUD | 4:04.64 SB | 
| 1 | 851 | Ömer Oti |  TUR | DQ | ||
| 2 | 648 | Abina Tchinga |  MAW | DNS | ||
| 3 | 264 | Mohamed ISMAIL |  DJI | DNS |